000
00317nam a2200133Ia 4500
008
210901s1968 xx 000 0 eng d
082
_a
540 DUN
100
_a
Dunstan, Sonia
245
0
_a
Principles of Chemistry
260
_a
London
_b
D.Van Norstrand
_c
1968
300
_a
493
650
_a
Chemistry
942
_2
ddc
_c
BK
999
_c
7085
_d
7085